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Researchers identify causes of looping in AI reasoning models

By PulseAugur Editorial · [1 sources] ·

A new research paper explores the phenomenon of reasoning models, such as DeepSeek-R1, getting stuck in loops during problem-solving. The study identifies two primary causes: risk aversion due to learning difficulty, where models opt for easier cyclic actions over harder correct ones, and an inherent inductive bias in transformers towards temporally correlated errors. While increasing temperature can reduce looping by encouraging exploration, it doesn't address the underlying learning errors, suggesting that training-time interventions are necessary for a more holistic solution. AI

IMPACT Identifies core issues in transformer reasoning that may require new training methods to overcome.

RANK_REASON Research paper published on arXiv detailing findings about AI model behavior. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.LG →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Researchers identify causes of looping in AI reasoning models

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Research paper published on arXiv detailing findings about AI model behavior. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.LG TIER_1 English(EN) · Charilaos Pipis, Shivam Garg, Vasilis Kontonis, Vaishnavi Shrivastava, Akshay Krishnamurthy, Dimitris Papailiopoulos ·

    Wait, Wait, Wait... Why Do Reasoning Models Loop?

    arXiv:2512.12895v2 Announce Type: replace Abstract: Reasoning models (e.g., DeepSeek-R1) generate long chains of thought to solve harder problems, but they often loop, repeating the same text at low temperatures or with greedy decoding. We study why this happens and what role tem…

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